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Study on the Improvement of Paper Properties by Nano-baritite Composites Material
Received:July 03, 2020  
DOI：10.11980/j.issn.0254-508X.2020.12.007
Key Words:nano-baritite composites material  titanium dioxide  paper properties
Author NameAffiliationPostcode
DU Peng State Key Lab of Bio-based Materials and Green Papermaking，Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan，Shandong Province，250353 250353
ZHAO Chuanshan State Key Lab of Bio-based Materials and Green Papermaking，Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan，Shandong Province，250353 250353
HAN Wenjia State Key Lab of Bio-based Materials and Green Papermaking，Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan，Shandong Province，250353 250353
JIANG Yifei State Key Lab of Bio-based Materials and Green Papermaking，Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan，Shandong Province，250353 250353
DING Qijun State Key Lab of Bio-based Materials and Green Papermaking，Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan，Shandong Province，250353 250353
LI Jiehua State Key Lab of Bio-based Materials and Green Papermaking，Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan，Shandong Province，250353 250353
XIONG Xiaomin State Key Lab of Bio-based Materials and Green Papermaking，Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan，Shandong Province，250353 250353
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Abstract:Due to the high price of titanium dioxide， this work focused on the effect of nano-baritite composites material partly replaced titanium dioxide as filler and coating pigment on the physical properties of paper to reduce the production cost. The results showed that the addition of nano-baritite composites material was helpful to the dispersion of titanium dioxide. In addition， the physical properties of the paper were improved when the substitution amount of nano-baritite composites material in the range of 0~16%. Particularly， the whiteness of paper was increased to 89.0% and the opacity improved to 96.5% with the substitution amount of nano-baritite composites material of 6%. When the nano-baritite composites material was used as coating pigment， with the increase of the coating amount of nano-baritite composites material， the paper ink absorption showed increased， and the b* value in Lab* value gradually decreased， indicating the blue light resistance of the paper increased significantly.
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